MARK LEVENTHAL

Corporate Board Profile

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ProPhase Labs, Inc.

Filing Date Source Excerpt
2010-04-02 Mr. Leventhal holds a Bachelor’s degree in Civil Engineering from Northeastern University. Mr. Leventhal brings to the Board more than 30 years of business and financial expertise.
2011-03-16 Mr. Leventhal holds a Bachelor’s degree in Civil Engineering from Northeastern University and has more than 30 years of business and financial expertise in real estate development.
2012-03-14 Mr. Leventhal holds a Bachelor's degree in Civil Engineering from Northeastern University and has over thirty years of business and financial expertise in real estate development.
2013-04-03 Mr. Leventhal holds a Bachelor’s degree in Civil Engineering from Northeastern University. He has more than thirty years of business and financial expertise in real estate development and investment.
2014-04-09 Mr. Leventhal holds a Bachelor’s degree in Civil Engineering from Northeastern University. He has more than thirty years of business and financial expertise in real estate development.
2015-05-11 Mr. Leventhal holds a Bachelor’s degree in Civil Engineering from Northeastern University and has more than thirty years of business and financial expertise.
2016-04-18 Mr. Leventhal holds a Bachelor’s degree in Civil Engineering from Northeastern University. He has been involved in real estate development and investment for over thirty years.
2017-04-20 Mr. Leventhal holds a Bachelor’s degree in Civil Engineering from Northeastern University.
2018-03-23 Mark Leventhal resigned from the Board in 2017. No indication of software-related technical skills.

Data sourced from SEC filings. Last updated: 2025-08-30